the TRAJECTOR may fill any number of roles in the sentence. In I washed the dirt from my hand, the TRAJECTOR the dirt is the direct object of the verb washed. But in The cow went over the moon, the TRAJECTOR the cow is the grammatical subject of the verb went. Two primary dimensions underlie this relationship: PLACE and PATH. The first, PLACE, defines the TRAJECTOR’s position with respect to the LANDMARK: John is on the chair, The apple is in the basket, The balloon is over the house. The second,